Weather Alert in California
Winter Storm Watch issued February 13 at 11:06AM PST until February 18 at 10:00PM PST by NWS Reno NV
AREAS AFFECTED: Mono
DESCRIPTION: * WHAT...Heavy snow. Snow accumulations between 15 to 30 inches west of Highway 395, with 2 to 4 feet in the high Sierra. This includes locations such as Conway Summit, Lee Vining, June Lake, Mammoth Lakes, and Toms Place. 8 to 18 inches near and east of Highway 395, such as Bridgeport, Walker, Bodie, and Benton. Lesser amounts of 2 to 4 inches for the Chalfant Valley. Winds gusting 35 to 45 mph, with up to 65 mph for wind prone locations along US-395. Sierra ridge gusts over 100 mph. * WHERE...Mono County. * WHEN...From Sunday evening through Wednesday evening. * IMPACTS...Travel could be very difficult to impossible with periods of white out conditions. Very strong winds could cause damage to trees and power lines. * ADDITIONAL DETAILS...Conditions will rapidly deteriorate Monday evening with the highest snowfall rates anticipated Monday night through Tuesday evening.
INSTRUCTION: Monitor the latest forecasts for updates on this situation. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
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Weather Topic: What is Precipitation?
Home - Education - Precipitation - Precipitation
Next Topic: Rain
Precipitation can refer to many different forms of water that
may fall from clouds. Precipitation occurs after a cloud has become saturated to
the point where its water particles are more dense than the air below the cloud.
In most cases, precipitation will reach the ground, but it is not uncommon for
precipitation to evaporate before it reaches the earth's surface.
When precipitation evaporates before it contacts the ground it is called Virga.
Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog
and mist are not considered precipitation because the water vapor which
constitutes them isn't dense enough to fall to the ground.
Next Topic: Rain
Weather Topic: What are Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
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